Dichotomous keys can have different formats. The
branching one on the top is
sometimes called a "spider
key." Both of these keys on the
left have four steps. Try using
both keys and compare which
you prefer.
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Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f